Sawing machine



J. P. BALL SAWING MACHINE Filed Dec- 18- 1922 [2? Vania];

Figure v and suspended from a scow Patented Oct. 6, 1925.

UNITED STATES JOHN 2. BAL or 0310430, ILLINOIS.

SANIN'GI: MACHINE.

Application filed December 18, 1922. Serial No. 607,665.

To all whom it may concern:

' Be it known that I, JoHN'P. BALL, a citizen of the United States, and a resident of Chicago, in the county of Cook and State of Illinois, have invented certain new and'useful Improvements in Sawing Machines, of which the following is a specification.

This invention relates to a machine more especially adapted for submarineoperations as for example sawing off driven piles and the like, under water and consists preferably of a straight blade cross-out saw adapted to be driven by pneumatically operated mechanism and mounted on a carriage which may be moved forward or backward by suitable power mechanism so as to adjust the'saw to the desired bearing; the forward and backward motion of the carriage being controlled preferably by an auxiliary pneumatically operated compound mot-or adapted tocontrol a suitable transmission in conjunction with a system of circular-creepers; I

In order to operate a device of this kind, it is necessary to provide suitable tracks upon which the combined machine may travel, and these bearing tracks should be substantially" in the same'plane as the required cutting of the saw. It is therefore an object of my invention to provlde temporaryv tracks or fixed members to support the machine in cases where a permanent track is not already designed or constructed. In order to provide a temporary support or platform upon which the machine may run, horizontal wale strips may be spiked to the timber-to-be-sawed at the desired elevation of the cutting.

While my invention is especially adapted to the sawing of timber, it may be-employed for the sawing of metal or stone as well which may be located either below or above the surface of the water.

One object of my invention is to provide separately controlled pneumatically oper ated means for operating the saw and for advancing the carriage with the saw toward the material to be cut.

Another object of my invention'is toprovide means whereby the submergedcarriage with the saw may be guided in its course and operation of the pneumatic mechanism controlled: from-a plane above that of the carriage; the latter being also provided with sufficient means, asifor exampleibolts, which enable the carriage to be supported by'cabl'es th'erebypermitpreferably of two nisms. These supports ting'the machine to be operated and controlled by a submerged operator or diver.v

Figure 1 is a plan view of the preferred form of my' apparatus. I V Figure% is aside elevation. I Figure 3 is a detail: elevation of the carriage driving mechanism".

Figure 4 is a detail elevation of modified form of saw operating mechanism. 7

Referring to the drawings, A in a general way indicates a carriage or truck; B in a general way, the sawing mechanism; G the power imparting mechanism for feeding-or driving the carriage o'r'truck; D a cross-cut 7 saw or blade; E and E the control members or handles; F the main driving axle of the carriage, G is the platform or supports and H is the pile or material to be sawed.

These may be of any usual orwsuitable constructions and arrangement capable of carrying the assembled members and driving the sawing mechanism, moving the carriage into desired placeorpositi'on andfcontrolling the motion of the machine- The carriage A is. preferably built comparatively'low, with its frame in theparticular exemplification being constructed longitudinal channel earns, a and 19, secured in position by two or more cross members or bars d and e. The

carriage frame is mounted on suitable axles as shown at f and g'. The'longitudinal channel beam 7) is bolted to the cross members all and e in such manner as to permit lateral adjustment to any width of gauge by, means of screw bolts hand 2', the cross members 0? and 6 being provided with a, plurality of bolt-receiving openings, while the longitudinal member a may position. The bodyiframe made upiofltlie longitudinal beams a and btogether with the cross armsd and e and the wheels} and Z (mounted on axle f) and wheels is and m (mounted on axle ports for the art' working parts or mechaor main portions of the carriage should be of sufiicient weight to withstand the momentum and vibrations encountered when the machine is in operation.

The wheels may, also be adjusted to any gauge'on the axles by screws or fixed'keys.

The sawing mechanism B is preferably composed of a piston driven from'a long stroke air cylinder indicated at 1*, which may be of the well known type employed in pneumatic sand rammers and the like. Secured be bolted in fixed 95 go to make up the sup- 0 to the piston 79 of the pneumatic cylinder is a bracket frame 0 which is adapted to be reciprocated by the piston 10, and is made tomove in horizontal plane by means ofv suitable guides as at 0 which extend through a suitable slot formed in the bracket frame 0, as indicated at g.

The blade saw D is bolted to theforwardly projecting ends of the bracket frame at s, s. The saw D- and the forwardly presented ends of the bracket are guided or made to slide in horizontal motion by means of guides 25 and t which are slotted to receive the short bars or members 00; '02 secured to arms of bracket frame 0 at the point 8, 5; These guides t, t are held" in place and connected to the body frame of the machine by spider arms a, a which are secured by jack knife or suitable hinge joints at '0, o, as shown in Figure 1, in order that the arms to, a, with the guides 25, t, may be swung laterally outward to freethe endsof' the: shortbars a2, a, is-described. It will be seen that by moving the spider arms the saw will be released from" the guides 6, t5 thereby permitting the saw D and bracket 0 to be thrown back upon the supporting beam d, into a'pos'ition desirable while the saw is out of action.

feed mechanism: as shown in detail in Figure 3 consists of any usual type of reversible air drillcylinder C provided with a spindle Z' which is threaded to mesh with a worm gear a s0 as' to givea revolving motion to the axle g which. has been referred to as the main driving axle generally indicated by reference character F.

The carriage is shown as a four Wheel truck; wherein main driving axle F is provided" with a chain belt 3 which transmits power to the forwardaXle f by means of sprocket 0 In addition to the wheels j, 765$ and m, saw toothed or serrated wheels 03 and 6 mounted on therear or driving axle are employed and adapted to engage with-the wal'e' strips (of which a suitable number are employed to" provide platform on at least a supporting structure beneath the wheels (5 and 6 as well: as the wheels j, Z and m) so as to give the necessary friction by engaging with certain strips of the support G to. drive the carriage and moves it into place so as to feed the saw blade to the material'-to-be sawed.

My invention is not limited to a direct actinglong stroke air cylinder for operating the" sawmech'anism, since an air motor of the type employed for air drill may be used as shown in Fig-urea where 1 indicates the air motor, 2 the revolving spindle, 3 a bevel gear keyed to the spindle,v and meshing; with a gear-driving wheel 4. The drivwheel or gear 4 is provided with an eccentriccrank pin '5 to" Wll'lCh' acrank shaft 6 is secured which in turn is connected by a or suitable 'cintto a direct slide-rod- 7 which in turn is connected at 8 to the saw bracket 0 and provides the latter with abackward and forward movement. The slide rod 7 moves on a fixed bearing plate 9 in suitable bearing grooves. The machine may be guided by the upwardly curved hand? valve X controls direct and reverse action of the air in a pipe 2 arranged in handle: E, to the cylinder C. of the feed mechanism and the amount. of air supply through the valve X will control thespeed of said carriage through said feedmechanism.

As shown in Figures 1 and 2, thecarria'ge may be provided with. eye bolts'1'1l 1:2 and lid-fastened to the frame members 'a and Z2 adapted to. receive suspending cables indicated at 14 and 15 in Figure 2 whereby the machine may be suspended from: a. vessel or fastening equipment.v

The compressed air for operating the motors may come from a suitable source of supply and is fed to the valves X, X by means of suitable hose as shown in Figure I at 16 and 17;: the air exhaust may be at any suitable point from the cylinders.

I claima. r f

1. In a machine of the character described, a carriage, a bracket pivotally mounted at one end of the carriage so as to swing upwardly onto the carriage, said bracket being adaptedto reciprocate transversely of the carriage, a saw-blade carried by said brackct'to be reciiprocated thereby, guide meansfor the outer ends of the bracket and the saw, power operated means mounted on the carriagefor reciprocating said bracket, power operated means for propelling said carriage, and means whereby the carriage may be guided, said means including handgrips for separately controlling the powerimparting medium for bothof said power operated means.

2. In a machine of the character described, a laterally adjustable carriage, a bifurcated bracket reciprocatingly mounted at one end of the carriage, a saw-blade secured intermediate of the bifurcations of the bracket, laterally movable guide means at opposite ends of the bracket and. pneumatically operated means for reciprocating said braeke 3. In a machine of the character described, a carriage provided with. wheel carrying axles, toothed wheels: mounted on; one ofthe axles; whereby thecarriage is moved forward power means; fordriving-said: axle, ream-carrying bracketpivotally mounted reciprocating said bracket, pneumatically operated means for operating the driving axle, guide handles, at the rear end of said carriage, each provided with an air-line leading respectively to the pneumatically operated means, and hand grips at the ends of said handles for controlling the air supply to said air-lines, whereby the pneumati- 20 cally operated means may be separately controlled.

JOHN P. BALL. 

